Re: [foxboro] Saab tank gauging interface
- From: "Landry, Dwayne" <rdlandry@xxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Thu, 12 Jul 2007 09:24:12 -0500
I'm not sure if the 230 modbus driver is similar to the 232 AB =
EtherNet/IP driver as the ECB201 is concerned. They are both FDSI type =
interfaces so I thought I'd chime in.
We had the exact same symptoms and the resolution was to increase the =
timeout in the DVOPTS parameter of our ECB201. For our application this =
is done by adding +TO=3D20 which increased the timeout to 2 seconds.
Dwayne Landry
PPG Industries Inc.
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] =
On Behalf Of Lowell, Timothy
Sent: Thursday, July 12, 2007 8:11 AM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Saab tank gauging interface
This is probably a long shot, but has anybody else out there attempted =
to connect a Saab tank gauging Modbus interface to the I/A system via an =
FBM230? One of our refineries just cut over their Saab interface to I/A =
and they have intermittent communication time-outs every hour or so, =
which causes every point to briefly smurf and then recover. They are =
trying all the usual Modbus communications troubleshooting methods, but =
if someone had already seen and solved this particular problem with the =
Saab interface, it might be helpful to us.
Thanks,
Tim Lowell
Tesoro
tlowell@xxxxxxxxxxx
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